[Sync] Fix namespaces for the browser_sync component.

components/browser_sync/profile_sync_test_util.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/browser_sync/profile_sync_test_util.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "components/bookmarks/browser/bookmark_model.h"
@@ skipping 224 matching lines @@
 #if defined(OS_CHROMEOS)
       signin_manager_(&signin_client_, &account_tracker_),
 #else
       signin_manager_(&signin_client_,
                       &auth_service_,
                       &account_tracker_,
                       nullptr),
 #endif
       url_request_context_(new net::TestURLRequestContextGetter(
           base::ThreadTaskRunnerHandle::Get())) {
-  browser_sync::RegisterPrefsForProfileSyncService(pref_service_.registry());
+  RegisterPrefsForProfileSyncService(pref_service_.registry());
   auth_service_.set_auto_post_fetch_response_on_message_loop(true);
   account_tracker_.Initialize(&signin_client_);
   signin_manager_.Initialize(&pref_service_);
 }
 
 ProfileSyncServiceBundle::~ProfileSyncServiceBundle() {}
 
 ProfileSyncService::InitParams ProfileSyncServiceBundle::CreateBasicInitParams(
     ProfileSyncService::StartBehavior start_behavior,
     std::unique_ptr<sync_driver::SyncClient> sync_client) {
@@ skipping 11 matching lines @@
   init_params.debug_identifier = "dummyDebugName";
   init_params.channel = version_info::Channel::UNKNOWN;
   init_params.db_thread = db_thread_;
   init_params.file_thread = base::ThreadTaskRunnerHandle::Get();
   init_params.blocking_pool = worker_pool_owner_.pool().get();
 
   return init_params;
 }
 
 }  // namespace browser_sync